Home / G01 - Fluorescents – Film quality Leds available / FLC46-Qty-2. Metal cage for single 4′ fluorescent light. FLC48-Qty-4. Metal cage for single 2′ fluorescent light. 3.5″ wide. FLC46-Qty-2. Metal cage for single 4′ fluorescent light. FLC48-Qty-4. Metal cage for single 2′ fluorescent light. 3.5″ wide.